Obtaining higher-order derivatives of low-frequency signals using multirate signal processing.
Li TanJean JiangLiangmo WangPublished in: I2MTC (2013)
Keyphrases
- signal processing
- low frequency
- higher order
- subband
- high frequency
- filter bank
- frequency domain
- wavelet transform
- signal reconstruction
- wavelet coefficients
- compressive sensing
- image processing
- wavelet analysis
- natural images
- low pass
- pattern recognition
- signal analysis
- original images
- discrete wavelet transform
- image compression
- fourier transform
- markov random field
- electromagnetic fields
- multiresolution
- independent component analysis
- wavelet domain
- fusion rules
- signal acquisition
- frequency band
- low and high frequency
- wavelet decomposition
- visual quality
- bit rate
- feature vectors
- pairwise
- dct coefficients
- wavelet packet
- subband decomposition
- feature selection
- computer vision
- spatial domain
- contourlet transform
- high frequency components
- feature extraction